let isDone:boolean = false

let float: number = 3.14

let numbers:number[] = [1,2,3]
numbers.push(3)
let color: string = "blue";
let fruits: Array<string> = ["apple", "banana", "orange"];
let stringArr: string[] =  ["apple", "banana", "orange"];

console.log(fruits);
console.log(stringArr);
let tuple: [string, number] = ["hello", 10];
tuple.push("banana")
console.log(tuple);
